Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
nhieu tang » hieu lang, nhiet nang
hanh doanh » hang doanh, chinh doanh, doanh doanh
doanh quan » doanh quang, doanh luan, doan quan
quan trong » gian trong
cong dan » cong san, cong tan, huong dan
dan van » dang van, doan van, dao van

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu sang) or (nhieu tang)) - hanh doanh quan trong cong dan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (nhieu tang)) - hanh doanh quan trong cong dan van ban*.